Angels dancing on a pin is refering to an old myth that philosophers in the Middle Ages were trying to get answers on those kind of questions. Many of those philosophers were monks, hence no, they would not talk about devils dancing on a pin. :-)
Paper was very expensive and creating books an enormous investment in time and money. No one would dare to write about such a subject.
It is nowadays an expression how incredibly detailed someones knowledge is.

ALSO... please clarify...
I thought the cheating forum was where all the cheats hang out....
true?... yes...no?